Comparison

SeeLeveL Sync vs LockCodes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SeeLeveL Sync

Monitor your RV's fresh water, grey water, black water, and LPG tank levels in real-time. Customize tank names, colors, and set alarms for low or high levels. Connects via Bluetooth to compatible SeeLeveL II tank monitors.

Highlights
  • Real-time tank level monitoring
  • Customizable tank names and colors
  • Low and high level tank alarms
  • Bluetooth connectivity
  • Graphical and percentage display
  • Home Screen widget support
Features
Read full description

Upgrade your RV experience with SeeLeveL RV 2.0, the ultimate companion for seamless tank monitoring and notifications. Designed for use with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor, this app provides an unrivaled level of control and convenience, ensuring you stay informed about your RV's vital resources. Monitor your RV's tank levels, including fresh water, grey water, black water, and LPG, in real-time with SeeLeveL RV 2.0. The app delivers accurate and precise tank-level data, presented in both graphical and percent value formats. Stay informed at a glance with intuitive displays that let you easily track fluid levels and ensure you have sufficient resources for your journeys. SeeLeveL RV 2.0 offers advanced customization options, allowing you to personalize your tank monitoring experience. Easily rename tanks and devices within the app, making it effortless to identify and manage different tanks in your RV. Customize the graphical representation of tank fluid colors to match the type of liquid stored, further enhancing clarity and visual identification. One of the standout features of SeeLeveL RV 2.0 is the comprehensive alarm system. Set up customizable alarms for low and high tank levels, receiving timely notifications when attention is required. Say goodbye to unexpected water shortages or messy overflows. Stay proactive and maintain optimal tank levels for a worry-free RV experience. The app's intuitive interface and Auto-Connect feature ensure easy access to vital information directly from the Home Screen. Effortlessly navigate through the app, access tank data, and make adjustments with ease. Connect seamlessly with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor via Bluetooth, establishing a reliable and efficient connection for accurate data synchronization. Download the app today and unlock a new level of tank monitoring and control for your RV adventures. Please note that SeeLeveL RV requires compatibility with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor for optimal functionality. For more information contact us as 1-800-617-7384

About

LockCodes

Features
Read full description

LockCodes helps you generate secure access codes and manage listings and bookings with ease. Whether you’re managing rentals, shared spaces, storage units, or any system that relies on keys or numeric codes, LockCodes gives you a reliable way to stay organized and in control. Create unique codes for keys or locks, assign them to listings, and link them to bookings so the right people get access at the right time. With a clean and intuitive interface, LockCodes is designed to reduce manual work and simplify access management.

Screenshots

SeeLeveL Sync4 screens
LockCodes4 screens

Verdict

The call

The clearest difference is ads: SeeLeveL Sync at none against LockCodes's shown. SeeLeveL Sync also leads on iOS requirement (13.4 vs 18.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SeeLeveL Sync ships an update every 2 months, LockCodes every 6 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
SeeLeveL Sync versus LockCodes: the parameters behind the verdict, then further details
ParameterSeeLeveL SyncLockCodes
PriceFreeFree
Rating2.4 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.4 — better18.6
Further details — not scored
Size25 MB13 MB
Age rating4+4+
DeveloperGarnet Instruments Ltd.Sebastian Kumor

In-app purchases

None

SeeLeveL Sync

No in-app purchases

None

LockCodes

No in-app purchases

Questions

Is SeeLeveL Sync free?
SeeLeveL Sync is free to download, with no in-app purchases.
Is LockCodes free?
LockCodes is free to download, with no in-app purchases.
Do SeeLeveL Sync or LockCodes have ads?
LockCodes shows ads; SeeLeveL Sync does not.
Which is updated more often, SeeLeveL Sync or LockCodes?
SeeLeveL Sync ships an update every 2 months, and LockCodes every 6 weeks. Most recently, SeeLeveL Sync was updated on October 9, 2026 and LockCodes on October 4, 2026.

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